GB1504533A - Electric induction motors - Google Patents

Electric induction motors

Info

Publication number
GB1504533A
GB1504533A GB21498/75A GB2149875A GB1504533A GB 1504533 A GB1504533 A GB 1504533A GB 21498/75 A GB21498/75 A GB 21498/75A GB 2149875 A GB2149875 A GB 2149875A GB 1504533 A GB1504533 A GB 1504533A
Authority
GB
United Kingdom
Prior art keywords
rotor
harmonic
conductors
cages
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21498/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1504533A publication Critical patent/GB1504533A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00Casting in, on, or around objects which form part of the product
    • B22D19/0054Casting in, on, or around objects which form part of the product rotors, stators for electrical motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/021Magnetic cores
    • H02K15/023Cage rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K17/00Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02Asynchronous induction motors
    • H02K17/16Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • H02K17/18Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having double-cage or multiple-cage rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2201/00Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06Magnetic cores, or permanent magnets characterised by their skew
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S164/00Metal founding
    • Y10S164/10Rotor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49009Dynamoelectric machine
    • Y10T29/49012Rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Induction Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
GB21498/75A 1974-05-20 1975-05-20 Electric induction motors Expired GB1504533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/471,743 US3987324A (en) 1974-05-20 1974-05-20 High efficiency induction motor with multi-cage rotor

Publications (1)

Publication Number Publication Date
GB1504533A true GB1504533A (en) 1978-03-22

Family

ID=23872822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21498/75A Expired GB1504533A (en) 1974-05-20 1975-05-20 Electric induction motors

Country Status (11)

Country Link
US (2) US3987324A (OSRAM)
JP (1) JPS6024658B2 (OSRAM)
AR (1) AR208314A1 (OSRAM)
AU (1) AU497264B2 (OSRAM)
BR (1) BR7503152A (OSRAM)
CA (1) CA1030585A (OSRAM)
DE (1) DE2521557A1 (OSRAM)
ES (1) ES437815A1 (OSRAM)
FR (1) FR2272516B1 (OSRAM)
GB (1) GB1504533A (OSRAM)
IT (1) IT1038283B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10476332B2 (en) 2016-12-21 2019-11-12 Siemens Industry, Inc. Rotor assembly and electrodynamic machine with axial vents for heat transfer

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204314A (en) * 1977-11-14 1980-05-27 S.B.W. Engineers Limited Method of making cast windings for electric motors
US4268772A (en) * 1977-11-14 1981-05-19 S.B.W. Engineers Limited Laminated rotor with cast end windings
WO1990006013A1 (fr) * 1985-07-05 1990-05-31 Akio Yoshida Rotor a cage d'ecureuil et son procede de fabrication
RU2030064C1 (ru) * 1991-06-21 1995-02-27 Российско-итальянское совместное предприятие "Технопарк" Асинхронная машина с короткозамкнутым ротором
US5495132A (en) * 1994-01-03 1996-02-27 Sgs-Thomson Microelectronics, Inc. DC motor with increased rotor resistance
US5642010A (en) * 1994-10-24 1997-06-24 A C Propulsion, Inc. Rotor construction for alternating current induction motor
AU1513499A (en) * 1998-08-05 2000-02-28 Vardges Sargisovich Varpetyan Induction asynchronous motor
DE19843123A1 (de) * 1998-09-21 2000-04-20 Bosch Gmbh Robert Elektrische Bremse mit Haltebremsfunktion
US6349463B1 (en) * 1999-09-30 2002-02-26 Reliance Electric Technologies, Llc Method of making an electric motor stator assembly
US6147423A (en) * 1999-09-30 2000-11-14 Reliance Electric Technologies, Llc Electric motor having improved rotor assembly, and method by which the rotor assembly is made
US6487769B2 (en) 2000-11-30 2002-12-03 Emerson Electric Co. Method and apparatus for constructing a segmented stator
US6597078B2 (en) 2000-12-04 2003-07-22 Emerson Electric Co. Electric power steering system including a permanent magnet motor
US6897591B2 (en) 2001-03-26 2005-05-24 Emerson Electric Co. Sensorless switched reluctance electric machine with segmented stator
US6744166B2 (en) 2001-01-04 2004-06-01 Emerson Electric Co. End cap assembly for a switched reluctance electric machine
US6584813B2 (en) 2001-03-26 2003-07-01 Emerson Electric Co. Washing machine including a segmented stator switched reluctance motor
US7012350B2 (en) * 2001-01-04 2006-03-14 Emerson Electric Co. Segmented stator switched reluctance machine
US6700284B2 (en) 2001-03-26 2004-03-02 Emerson Electric Co. Fan assembly including a segmented stator switched reluctance fan motor
CN1279682C (zh) * 2001-03-24 2006-10-11 Lg电子株式会社 往复式电机的动子组件及其制造方法
US20070040466A1 (en) * 2003-09-11 2007-02-22 Rolf Vollmer Electric machine with an induction rotor
DE102006021419B4 (de) * 2006-05-05 2024-05-16 Sew-Eurodrive Gmbh & Co Kg Elektromotor
US20110025160A1 (en) * 2009-08-03 2011-02-03 Gm Global Technology Operations, Inc. Rectangular cross-section windings for electrical machine rotors
RU2393613C1 (ru) 2009-06-30 2010-06-27 Закрытое Акционерное Общество "Технология Смп" Способ повышения эффективности работы асинхронной короткозамкнутой электрической машины и асинхронная короткозамкнутая электрическая машина (варианты)
JP6131722B2 (ja) * 2013-06-04 2017-05-24 マツダ株式会社 誘導モータ
DE102013223054A1 (de) 2013-11-13 2015-05-13 Robert Bosch Gmbh Rotor für eine elektrische Asynchronmaschine und Verfahren zum Fertigen desselben
DE102015119797A1 (de) * 2015-11-16 2017-05-18 Volkswagen Ag Statoranordnung
US11201528B2 (en) 2018-09-13 2021-12-14 Superior Essex Inc. Induction motor for use in drones
EP3672035B1 (en) * 2018-12-19 2022-02-23 LG Magna e-Powertrain Co., Ltd. Motor
FR3118545B1 (fr) 2020-12-24 2023-11-24 Somfy Activites Sa Rotor pour un moteur électrique, moteur électrique comprenant un tel rotor et procédé de fabrication d’un tel rotor

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US686152A (en) * 1901-09-09 1901-11-05 Albert W Smith Motor.
US1185461A (en) * 1913-12-01 1916-05-30 Gen Electric Induction-motor.
US1650795A (en) * 1924-12-16 1927-11-29 Us Electrical Mfg Company Bimetallic rotor for induction motors
US1752104A (en) * 1925-04-30 1930-03-25 Gen Electric Induction motor with variable reactance
US1603545A (en) * 1925-07-13 1926-10-19 Us Electrical Mfg Company Mold for bimetallic rotors
DE469337C (de) * 1926-08-06 1928-12-11 Aeg Asynchronmotor mit Kurzschlussanker
US2037532A (en) * 1934-11-02 1936-04-14 Gen Electric Induction motor secondary
US2176871A (en) * 1937-01-02 1939-10-24 Reliance Electric & Eng Co Ventilated cast rotor
US2274070A (en) * 1937-09-14 1942-02-24 Kauders Vilem Short-circuited winding for induction machines
US2237960A (en) * 1939-02-24 1941-04-08 Hansen Mfg Company Inc Slow speed motor
DE758357C (de) * 1939-11-14 1953-12-07 Aeg Ein- oder mehrphasiger Kurzschlussmotor
DE749592C (de) * 1940-05-16 1944-11-27 Doppelnut- oder Vielnutanker fuer Induktionsmotoren
US2292168A (en) * 1940-07-29 1942-08-04 Allis Louis Co Induction motor
US2528154A (en) * 1947-03-13 1950-10-31 Westinghouse Electric Corp Shrunk rotor for squirrel-cage motors
US2864016A (en) * 1955-11-28 1958-12-09 Waltscheff Dimo Dimitroff Electromagnetic transmission torque converter
US3373485A (en) * 1963-12-16 1968-03-19 Gen Electric Method of producing a rotor and shaft assembly
US3335308A (en) * 1964-05-05 1967-08-08 Westinghouse Electric Corp Dynamoelectric machine having means for reducing torque and inrush current
US3360669A (en) * 1965-03-01 1967-12-26 Gen Precision Inc Squirrel-cage rotor
US3445699A (en) * 1965-08-31 1969-05-20 Reuland Electric Co Multirotor induction motor
US3555382A (en) * 1967-05-19 1971-01-12 Victor Company Of Japan Capacitor motor
US3594595A (en) * 1969-09-30 1971-07-20 Nat Res Dev Alternating current generators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10476332B2 (en) 2016-12-21 2019-11-12 Siemens Industry, Inc. Rotor assembly and electrodynamic machine with axial vents for heat transfer

Also Published As

Publication number Publication date
AR208314A1 (es) 1976-12-20
DE2521557A1 (de) 1975-12-04
IT1038283B (it) 1979-11-20
FR2272516A1 (OSRAM) 1975-12-19
ES437815A1 (es) 1977-06-01
AU8058475A (en) 1976-11-04
US4095332A (en) 1978-06-20
CA1030585A (en) 1978-05-02
AU497264B2 (en) 1978-12-07
JPS6024658B2 (ja) 1985-06-14
JPS50161609A (OSRAM) 1975-12-27
FR2272516B1 (OSRAM) 1982-04-23
BR7503152A (pt) 1976-04-27
US3987324A (en) 1976-10-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee